HUNTA-433: 『お兄ちゃんお願い動かないで！いいからこのまま挿れさせて！！』ボクが目を覚ました時には義妹が挿入0.5秒前！！10年以上も本当の妹の様に可愛がっている義理の妹は中学までは超まじめで彼氏もいなくて勉強＆部活一筋！そんな義理の妹なのに女子○生になったら…

"Brother, please don't move! When I woke up, my sister-in-law inserted 0.5 seconds ago! My sister-in-law, who has been loving me like a real sister for more than 10 years, was super serious until junior high school and had no boyfriend and was all about study & club activities! Even though she is such a sister-in-law, if she becomes a female ○ student ...